package day01;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.PrintWriter;
import java.util.Scanner;

public class Main2 {
    public static void main(String[] args) {
        cerr.println("Enter an integer x:");
        int a = cin.nextInt();
        cout.println(a * a);


        cin.close();
        cout.close();
    }

    static Scanner cin = new Scanner(new BufferedInputStream(System.in));//Alt+Enter
    static PrintWriter cout = new PrintWriter(new BufferedOutputStream(System.out));
    static PrintWriter cerr = new PrintWriter(System.err, true);

}
